Finding the Fourth Proportional to 91,705.34, 137,558.21 and 25,146.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,705.34 : 137,558.21 = 25,146.42 : x
2. Step 2: Convert to fraction form
   91,705.34/137,558.21 = 25,146.42/x
3. Step 3: Cross multiply
   91,705.34x = 137,558.21 × 25,146.42
4. Step 4: Simplify right side
   91,705.34x = 3,459,096,397.38
5. Step 5: Solve for x
   x = 3,459,096,397.38/91,705.34
6. Step 6: Final answer
   x = 37,719.69